Home / 30,487.05-45,730.56-10,497.51

Finding the Fourth Proportional to 30,487.05, 45,730.56 and 10,497.51

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Solution

The fourth proportional to 30,487.05, 45,730.56 and 10,497.51 is: 15,746.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,487.05 : 45,730.56 = 10,497.51 : x
  2. Step 2: Convert to fraction form
    30,487.05/45,730.56 = 10,497.51/x
  3. Step 3: Cross multiply
    30,487.05x = 45,730.56 × 10,497.51
  4. Step 4: Simplify right side
    30,487.05x = 480,057,010.91
  5. Step 5: Solve for x
    x = 480,057,010.91/30,487.05
  6. Step 6: Final answer
    x = 15,746.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.